<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
</head>
<body>
    <form action="http://localhost:8080/user" method="get" id="frame">
        姓名：<input type="text" name="name">
        <input type="submit" value="提交">
    </form>
    <iframe name="frame" src="" frameborder="0"></iframe>
</body>
</html>